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Contract OI history

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Jan 15, 2027 EXPIRATION

NMRA $2.50 Put

NMRA270115P00002500

Latest saved OI0Oct 23, 2026
Last change-21vs previous saved observation
Saved market days7Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
NMRA $2.50 put open interest history 7 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 21100 2026-10-07: 21 OI2026-10-09: 21 OI2026-10-13: 21 OI2026-10-14: 21 OI2026-10-16: 21 OI2026-10-20: 21 OI2026-10-23: 0 OI Oct 07, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

NMRA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20260-21
Oct 20, 2026Viewing210
Oct 16, 2026210
Oct 14, 2026210
Oct 13, 2026210
Oct 09, 2026210
Oct 07, 202621No prior observation